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  <div class="headertitle"><div class="title">dev_sleep_stop.c</div></div>
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<a href="dev__sleep__stop_8c.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">#include &quot;<a class="code" href="dev__sleep__stop_8h.html">dev_sleep_stop.h</a>&quot;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="preprocessor">#include &quot;<a class="code" href="version_8h.html">version.h</a>&quot;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment">/*******************************************************************************************************************************************</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment"> * Private Define</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment"> *******************************************************************************************************************************************/</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment">/* 复用 TP_INT 端口, 利用用户触摸时 TP_INT 端口会产生一个下降沿脉冲信号的特点 */</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#if (SWM34S_LCM_PCBV == SWM34SCE_PIN48_A2)</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="dev__sleep__stop_8c.html#a3e1372f8b55c2f9a917b11a41cd7e8cf">   33</a></span><span class="preprocessor">#define SLEEP_GPIO          GPIOM</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="dev__sleep__stop_8c.html#aeb56c92436d74a193c99fb102056e6f9">   34</a></span><span class="preprocessor">#define SLEEP_PIN           PIN5</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"><a class="line" href="dev__sleep__stop_8c.html#abe4add845255b4bc600c4c9e89c4c4cc">   36</a></span><span class="preprocessor">#define SLEEP_PX_WKEN       PMWKEN</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="dev__sleep__stop_8c.html#ad22fb9eff26b7699732ad2f317bf2531">   38</a></span><span class="preprocessor">#define SLEEP_PX_WKSR       PMWKSR</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">#else </span><span class="comment">/* 其他 Demo 板的 TP_INT 都是 D0 */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="preprocessor">#define SLEEP_GPIO          GPIOD</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="preprocessor">#define SLEEP_PIN           PIN0</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="preprocessor">#define SLEEP_PX_WKEN       PDWKEN</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="preprocessor">#define SLEEP_PX_WKSR       PDWKSR</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment">/*******************************************************************************************************************************************</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment"> * Private Prototype</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment"> *******************************************************************************************************************************************/</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="dev__sleep__stop_8c.html#af1f29b7ae72111910d2e931d0b9d376e">set_usb_low_power</a>(<span class="keyword">const</span> uint8_t on);</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="dev__sleep__stop_8c.html#a2369e14249cb4d6ef0b9be70ea030440">sleep_io_all</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment">/*******************************************************************************************************************************************</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="comment"> * Public Variable</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="comment"> *******************************************************************************************************************************************/</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"><a class="line" href="dev__sleep__stop_8c.html#a5b06de9b1a4503a9890c7ae85f041c58">   68</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="dev__sleep__stop_8c.html#a5b06de9b1a4503a9890c7ae85f041c58">stop_init</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>{</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>    SYS-&gt;LRCCR |= (1 &lt;&lt; SYS_LRCCR_ON_Pos); <span class="comment">/* 确保内部 32KHz 低频振荡器处于开启 */</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span> </div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="preprocessor">#if 0 </span><span class="comment">/* 端口二选一, D6 被用作 SFC 片选信号, D15 仅在 Pin100 的封装中有引出. */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>    PORT_Init(PORTD, PIN6, PORTD_PIN6_WAKEUP, 1);</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>    PORTD-&gt;PULLU |= (1 &lt;&lt; PIN6);</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>    PORT_Init(PORTD, PIN15, PORTD_PIN15_WAKEUP, 1);</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>    PORTD-&gt;PULLU |= (1 &lt;&lt; PIN15);</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>    SYS-&gt;SLEEP |= (1 &lt;&lt; SYS_SLEEP_STOP_Pos); <span class="comment">/* 进入 STOP 模式 */</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>    <span class="keywordflow">while</span> (1) <span class="comment">//for (uint32_t i = 0; i &lt; SystemCoreClock; ++i)</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>        __NOP();</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>}</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="dev__sleep__stop_8c.html#a4d4c631bc1d45f13302e7f874c8337eb">   90</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="dev__sleep__stop_8c.html#a4d4c631bc1d45f13302e7f874c8337eb">sleep_init</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>{</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>    <span class="comment">/* 关闭所有引脚的上拉和下拉电阻, 以及不需要唤醒功能的 IO 输入使能, 将功耗降至最低 */</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>    <a class="code hl_function" href="dev__sleep__stop_8c.html#a2369e14249cb4d6ef0b9be70ea030440">sleep_io_all</a>();</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>    <span class="comment">/* 设置 USB 进入低功耗模式, 将功耗降至最低 */</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>    <a class="code hl_function" href="dev__sleep__stop_8c.html#af1f29b7ae72111910d2e931d0b9d376e">set_usb_low_power</a>(0);</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>    __disable_irq(); <span class="comment">/* 在屏蔽全局中断切进临界区后, MCU 不会响应除不可屏蔽中断（NMI）外的中断 */</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>    SYS-&gt;LRCCR |= (1 &lt;&lt; SYS_LRCCR_ON_Pos); <span class="comment">/* 确保内部 32KHz 低频振荡器处于开启 */</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="preprocessor">#if 1 </span><span class="comment">/* 若有使用 外部晶振 或 PLL , 要达成最低功耗必须关掉 */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>    </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    switchToXTAL(0);                        <span class="comment">/* 切换外部晶振 */</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>    SYS-&gt;PLLCR |= (1 &lt;&lt; SYS_PLLCR_OFF_Pos); <span class="comment">/* 关闭 PLL */</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    switchTo20MHz();                        <span class="comment">/* 休眠前, 必须切换到内部高频 20MHz */</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>    SYS-&gt;XTALCR = 0;                        <span class="comment">/* 关闭外部时钟 */</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>    </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>    switchTo20MHz(); <span class="comment">/* 休眠前, 必须切换到内部高频 20MHz */</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="preprocessor">#if 1 </span><span class="comment">/* 0-RTC唤醒    1-指定 IO 下降沿唤醒 (注意: 两种唤醒操作可以同时存在) */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>    GPIO_Init(<a class="code hl_define" href="dev__sleep__stop_8c.html#a3e1372f8b55c2f9a917b11a41cd7e8cf">SLEEP_GPIO</a>, <a class="code hl_define" href="dev__sleep__stop_8c.html#aeb56c92436d74a193c99fb102056e6f9">SLEEP_PIN</a>, 0, 1, 0, 0); <span class="comment">/* 输入, 上拉使能, 接 KEY */</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>    SYS-&gt;SLEEP_PX_WKEN |= (1 &lt;&lt; <a class="code hl_define" href="dev__sleep__stop_8c.html#aeb56c92436d74a193c99fb102056e6f9">SLEEP_PIN</a>);       <span class="comment">/* 使能 指定引脚下降沿 唤醒(休眠期间须保持高电平) */</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>    SYS-&gt;SLEEP_PX_WKSR |= (1 &lt;&lt; <a class="code hl_define" href="dev__sleep__stop_8c.html#aeb56c92436d74a193c99fb102056e6f9">SLEEP_PIN</a>);       <span class="comment">/* 清除 IO 唤醒标志 */</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>    SYS-&gt;SLEEP |= SYS_SLEEP_SLEEP_Msk;            <span class="comment">/* 进入浅睡眠模式 */</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>    <span class="keywordflow">while</span> ((SYS-&gt;SLEEP_PX_WKSR &amp; (1 &lt;&lt; <a class="code hl_define" href="dev__sleep__stop_8c.html#aeb56c92436d74a193c99fb102056e6f9">SLEEP_PIN</a>)) == 0)</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>        __NOP(); <span class="comment">/* 等待指定 IO 唤醒条件 */</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span> </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>    SYS-&gt;SLEEP_PX_WKSR |= (1 &lt;&lt; <a class="code hl_define" href="dev__sleep__stop_8c.html#aeb56c92436d74a193c99fb102056e6f9">SLEEP_PIN</a>);  <span class="comment">/* 清除 IO 唤醒标志 */</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>    SYS-&gt;SLEEP_PX_WKEN &amp;= ~(1 &lt;&lt; <a class="code hl_define" href="dev__sleep__stop_8c.html#aeb56c92436d74a193c99fb102056e6f9">SLEEP_PIN</a>); <span class="comment">/* 失能 指定引脚下降沿 唤醒 */</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>    <a class="code hl_function" href="dev__rtc_8c.html#aedd83f0c9b0f418ce1097807c1b5d186">rtc_init</a>(RTC_DateTime *init_time);         <span class="comment">/* 需要自行设定本函数的传入初始值 */</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>    SYS-&gt;RTCWKCR |= (1 &lt;&lt; SYS_RTCWKCR_EN_Pos); <span class="comment">/* 使能 RTC 唤醒 */</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>    SYS-&gt;RTCWKSR = SYS_RTCWKSR_FLAG_Msk;       <span class="comment">/* 清除 RTC 唤醒标志 */</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>    SYS-&gt;SLEEP |= (1 &lt;&lt; SYS_SLEEP_SLEEP_Pos);  <span class="comment">/* 进入睡眠模式 */</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>    <span class="keywordflow">while</span> ((SYS-&gt;RTCWKSR &amp; SYS_RTCWKSR_FLAG_Msk) == 0)</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>        __NOP(); <span class="comment">/* 等待 RTC 唤醒条件 */</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>    SYS-&gt;RTCWKSR = SYS_RTCWKSR_FLAG_Msk;       <span class="comment">/* 清除 RTC 唤醒标志 */</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>    SYS-&gt;RTCWKCR |= (1 &lt;&lt; SYS_RTCWKCR_EN_Pos); <span class="comment">/* 失能 RTC 唤醒 */</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>    switchToPLL(0); <span class="comment">/* 唤醒后, 切换到 PLL, 恢复系统时钟工作状态 */</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>    __enable_irq(); <span class="comment">/* 如果在临界区内有中断发生, 在恢复全局中断使能后, MCU 会立即处理之前触发的中断. */</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>    <span class="comment">/* 恢复 USB 工作 */</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>    <a class="code hl_function" href="dev__sleep__stop_8c.html#af1f29b7ae72111910d2e931d0b9d376e">set_usb_low_power</a>(1);</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>    <span class="comment">/* TODO: 根据应用层需求来初始化配置为具体的 USB 设备类 */</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>}</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment">/*******************************************************************************************************************************************</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment"> * Private Function</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="comment"> *******************************************************************************************************************************************/</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"><a class="line" href="dev__sleep__stop_8c.html#af1f29b7ae72111910d2e931d0b9d376e">  154</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="dev__sleep__stop_8c.html#af1f29b7ae72111910d2e931d0b9d376e">set_usb_low_power</a>(<span class="keyword">const</span> uint8_t on)</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>{</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>    <span class="keywordflow">if</span> (on)</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>    {</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>        SYS-&gt;USBPHYCR |= SYS_USBPHYCR_PLLEN_Msk;</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>        SYS-&gt;USBCR |= 0x07; <span class="comment">/* 复位 USB 时钟域 */</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; CyclesPerUs; i++)</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>            __NOP();</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>        <span class="comment">/* 即在退出复位状态后不要立即访问 USB 寄存器, 而是延时一下再访问, 防止编译器优化等级设为 Ofast 时芯片卡死 */</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>        SYS-&gt;CLKEN0 |= (0x01 &lt;&lt; SYS_CLKEN0_USB_Pos);</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>        USBD-&gt;DEVCR = 0;</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>    }</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>    {</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>        <span class="comment">/* 关闭 USB PHY 内置 PLL 开关, 以降低功耗 */</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>        SYS-&gt;USBPHYCR &amp;= ~SYS_USBPHYCR_PLLEN_Msk;</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span> </div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>        SYS-&gt;USBCR |= 0x07; <span class="comment">/* 复位 USB 时钟域 */</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; CyclesPerUs; i++)</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>            __NOP();</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>        <span class="comment">/* 即在退出复位状态后不要立即访问 USB 寄存器, 而是延时一下再访问, 防止编译器优化等级设为 Ofast 时芯片卡死 */</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>        SYS-&gt;CLKEN0 |= (0x01 &lt;&lt; SYS_CLKEN0_USB_Pos);</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>        USBD-&gt;DEVCR = (USBD_SPEED_FS &lt;&lt; USBD_DEVCR_SPEED_Pos);</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>        <span class="comment">// SYS-&gt;USBPHYCR |= (0x01 &lt;&lt; SYS_USBPHYCR_OPMODE_Pos);</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>    }</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>}</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"><a class="line" href="dev__sleep__stop_8c.html#a2369e14249cb4d6ef0b9be70ea030440">  187</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="dev__sleep__stop_8c.html#a2369e14249cb4d6ef0b9be70ea030440">sleep_io_all</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>{</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>    uint32_t pin_x;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>    PORT_TypeDef *port_x;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="comment">/* 关上拉/下拉/数字输入, 配置为普通 GPIO */</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="preprocessor">#define IO_SLEEP_IN(Port_X, Pin_X)      \</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="preprocessor">    do                                  \</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="preprocessor">    {                                   \</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="preprocessor">        Port_X-&gt;PULLU &amp;= ~(1 &lt;&lt; Pin_X); \</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="preprocessor">        Port_X-&gt;PULLD &amp;= ~(1 &lt;&lt; Pin_X); \</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span><span class="preprocessor">        PORT_Init(Port_X, Pin_X, 0, 0); \</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="preprocessor">    } while (0)</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>    port_x = PORTA;</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>    <span class="keywordflow">for</span> (pin_x = PIN0; pin_x &lt;= PIN15; ++pin_x)</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>    {</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>        <a class="code hl_define" href="dev__sleep__stop_8c.html#a913609ddd4d90926736dbcd38f6fa1f4">IO_SLEEP_IN</a>(port_x, pin_x);</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>    }</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span> </div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>    port_x = PORTB;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>    <span class="keywordflow">for</span> (pin_x = PIN0; pin_x &lt;= PIN15; ++pin_x)</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>    {</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>        <span class="keywordflow">if</span> (pin_x == PIN12 || pin_x == PIN14) <span class="comment">/* B12 : SWDCK        B14 : SWDIO */</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>        {</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>            <span class="comment">/* SWD 端口切换为 GPIO 或 其它功能时必须加上这句, 未在固件库中开放给用户, 避免用户配置端口错误而导致无法下载 */</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>            *((<span class="keyword">volatile</span> uint32_t *)0x40000190) = 0;</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>            <span class="comment">/* 如要恢复 SWD 端口功能必须加上这句, 未在固件库中开放给用户</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="comment">             *((volatile uint32_t *)0x40000190) = 1; */</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span> </div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>            <span class="comment">// continue;</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>        }</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>        <a class="code hl_define" href="dev__sleep__stop_8c.html#a913609ddd4d90926736dbcd38f6fa1f4">IO_SLEEP_IN</a>(port_x, pin_x);</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>    }</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>    port_x = PORTC;</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>    <span class="keywordflow">for</span> (pin_x = PIN0; pin_x &lt;= PIN15; ++pin_x)</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>    {</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>        <a class="code hl_define" href="dev__sleep__stop_8c.html#a913609ddd4d90926736dbcd38f6fa1f4">IO_SLEEP_IN</a>(port_x, pin_x);</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>    }</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span> </div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>    port_x = PORTD;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>    <span class="keywordflow">for</span> (pin_x = PIN0; pin_x &lt;= PIN15; ++pin_x)</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>    {</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>        <a class="code hl_define" href="dev__sleep__stop_8c.html#a913609ddd4d90926736dbcd38f6fa1f4">IO_SLEEP_IN</a>(port_x, pin_x);</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>    }</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>    port_x = PORTE;</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>    <span class="keywordflow">for</span> (pin_x = PIN0; pin_x &lt;= PIN15; ++pin_x)</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>    {</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>        <a class="code hl_define" href="dev__sleep__stop_8c.html#a913609ddd4d90926736dbcd38f6fa1f4">IO_SLEEP_IN</a>(port_x, pin_x);</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>    }</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>    port_x = PORTM;</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>    <span class="keywordflow">for</span> (pin_x = PIN0; pin_x &lt;= PIN15; ++pin_x)</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>    {</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>        <a class="code hl_define" href="dev__sleep__stop_8c.html#a913609ddd4d90926736dbcd38f6fa1f4">IO_SLEEP_IN</a>(port_x, pin_x);</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>    }</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span> </div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>    port_x = PORTN;</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>    <span class="keywordflow">for</span> (pin_x = PIN0; pin_x &lt;= PIN15; ++pin_x)</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>    {</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>        <span class="keywordflow">if</span> (pin_x == PIN5) <span class="comment">/* sleep wake up */</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>            <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span> </div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>        <a class="code hl_define" href="dev__sleep__stop_8c.html#a913609ddd4d90926736dbcd38f6fa1f4">IO_SLEEP_IN</a>(port_x, pin_x);</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>    }</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>}</div>
<div class="ttc" id="adev__rtc_8c_html_aedd83f0c9b0f418ce1097807c1b5d186"><div class="ttname"><a href="dev__rtc_8c.html#aedd83f0c9b0f418ce1097807c1b5d186">rtc_init</a></div><div class="ttdeci">void rtc_init(RTC_DateTime *init_time)</div><div class="ttdoc">RTC 初始化</div><div class="ttdef"><b>Definition:</b> <a href="dev__rtc_8c_source.html#l00031">dev_rtc.c:31</a></div></div>
<div class="ttc" id="adev__sleep__stop_8c_html_a2369e14249cb4d6ef0b9be70ea030440"><div class="ttname"><a href="dev__sleep__stop_8c.html#a2369e14249cb4d6ef0b9be70ea030440">sleep_io_all</a></div><div class="ttdeci">static void sleep_io_all(void)</div><div class="ttdoc">关闭所有引脚的上拉和下拉电阻, 以及不需要唤醒功能的 IO 输入使能</div><div class="ttdef"><b>Definition:</b> <a href="dev__sleep__stop_8c_source.html#l00187">dev_sleep_stop.c:187</a></div></div>
<div class="ttc" id="adev__sleep__stop_8c_html_a3e1372f8b55c2f9a917b11a41cd7e8cf"><div class="ttname"><a href="dev__sleep__stop_8c.html#a3e1372f8b55c2f9a917b11a41cd7e8cf">SLEEP_GPIO</a></div><div class="ttdeci">#define SLEEP_GPIO</div><div class="ttdoc">Sleep Wake Up (IO)</div><div class="ttdef"><b>Definition:</b> <a href="dev__sleep__stop_8c_source.html#l00033">dev_sleep_stop.c:33</a></div></div>
<div class="ttc" id="adev__sleep__stop_8c_html_a4d4c631bc1d45f13302e7f874c8337eb"><div class="ttname"><a href="dev__sleep__stop_8c.html#a4d4c631bc1d45f13302e7f874c8337eb">sleep_init</a></div><div class="ttdeci">void sleep_init(void)</div><div class="ttdoc">进入浅睡眠模式, 被唤醒后会退出该函数恢复程序继续执行, 外设工作状态以及 RAM 数据将会保持.</div><div class="ttdef"><b>Definition:</b> <a href="dev__sleep__stop_8c_source.html#l00090">dev_sleep_stop.c:90</a></div></div>
<div class="ttc" id="adev__sleep__stop_8c_html_a5b06de9b1a4503a9890c7ae85f041c58"><div class="ttname"><a href="dev__sleep__stop_8c.html#a5b06de9b1a4503a9890c7ae85f041c58">stop_init</a></div><div class="ttdeci">void stop_init(void)</div><div class="ttdoc">进入停止模式, 芯片完全停止工作</div><div class="ttdef"><b>Definition:</b> <a href="dev__sleep__stop_8c_source.html#l00068">dev_sleep_stop.c:68</a></div></div>
<div class="ttc" id="adev__sleep__stop_8c_html_a913609ddd4d90926736dbcd38f6fa1f4"><div class="ttname"><a href="dev__sleep__stop_8c.html#a913609ddd4d90926736dbcd38f6fa1f4">IO_SLEEP_IN</a></div><div class="ttdeci">#define IO_SLEEP_IN(Port_X, Pin_X)</div></div>
<div class="ttc" id="adev__sleep__stop_8c_html_aeb56c92436d74a193c99fb102056e6f9"><div class="ttname"><a href="dev__sleep__stop_8c.html#aeb56c92436d74a193c99fb102056e6f9">SLEEP_PIN</a></div><div class="ttdeci">#define SLEEP_PIN</div><div class="ttdef"><b>Definition:</b> <a href="dev__sleep__stop_8c_source.html#l00034">dev_sleep_stop.c:34</a></div></div>
<div class="ttc" id="adev__sleep__stop_8c_html_af1f29b7ae72111910d2e931d0b9d376e"><div class="ttname"><a href="dev__sleep__stop_8c.html#af1f29b7ae72111910d2e931d0b9d376e">set_usb_low_power</a></div><div class="ttdeci">static void set_usb_low_power(const uint8_t on)</div><div class="ttdoc">设置 USB 模块低功耗模式</div><div class="ttdef"><b>Definition:</b> <a href="dev__sleep__stop_8c_source.html#l00154">dev_sleep_stop.c:154</a></div></div>
<div class="ttc" id="adev__sleep__stop_8h_html"><div class="ttname"><a href="dev__sleep__stop_8h.html">dev_sleep_stop.h</a></div><div class="ttdoc">浅/深睡眠</div></div>
<div class="ttc" id="aversion_8h_html"><div class="ttname"><a href="version_8h.html">version.h</a></div><div class="ttdoc">版本/目标控制</div></div>
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